Bibliography of peer-reviewed journal articles using data from research conducted at Nickels Soil Lab, Arbuckle, CA
Irrigation
Fereres, E, T Aldrich, H Schulbach, and D Martinich. 1981. Responses of Young Almond Trees to Late-Season Drought. California Agriculture 35 (7): 11–12. https://californiaagriculture.org/article/111187
Fereres, E, D Martinich, T Aldrich, J Castel, E Holzapfel, and H Schulbach. 1982. Drip Irrigation Saves Money in Young Almond Orchards. California Agriculture 36 (9): 12–13. https://californiaagriculture.org/article/111024
Koumanov, K.S., J.W. Hopmans, and L.J. Schwankl, L. Andreu, and A. Tuli. 1997. Application efficiency of micro-sprinkler irrigation of almond trees. Agricultural Water Management 334(3): 247-263. https://www.sciencedirect.com/science/article/pii/S0378377497000309
Schwankl, L, J Edstrom, J Hopmans, L Andreu, and K Koumanov. 1999. Microsprinklers Wet Larger Soil Volume; Boost Almond Yield, Tree Growth. California Agriculture 53 (2): 39–43. https://doi.org/10.3733/ca.v053n02p39.
Koumanov, K.S., J.W. Hopmans, and L.J. Schwankl. 2004. Soil water dynamics in the root zone of a micro-sprinkler irrigated almond tree. Acta Hort 664: https://www.actahort.org/books/664/664_46.htm
Koumanov, K.S., J.W. Hopmans, and L.J. Schwankl. 2006. Spatial and temporal distribution of root water uptake of an almond tree under microsprinkler irrigation. Irrigation Science 24: 267-278. https://link.springer.com/article/10.1007/s00271-005-0027-3
Dreschler, K., I. Kisekka, and S. Upadhyaya. 2019. A comprehensive stress indicator for evaluating plant water stress status in almond trees. Agricultural Water Management 216: 214-223. https://www.sciencedirect.com/science/article/pii/S0378377418313763?via%3Dihub
Dreschler, K. and I. Kisekka. 2022. Variety specific irrigation of almonds during hull split, effects on yield and quality. Agricultural Water Management (271):1-12. https://www.sciencedirect.com/science/article/pii/S0378377422003171?via%3Dihub
Savchik, P., M. Nocco, and I. Kisekka. 2025. Mapping almond stem water potential using machine learning and multispectral imagery. Irrigation Science 43:105-120. https://link.springer.com/article/10.1007/s00271-024-00932-8
Horticulture
Edstrom, J.P. and W.C. Micke. 1994. Sustaining yields in almond hedgerows. Acta Hort 373: 249-251. https://www.actahort.org/books/373/373_35.htm
Edstrom, J.P. and W.C. Micke. 1994. Dual variety rows increase almond yields. Acta Hort 470: 469-472. https://www.actahort.org/books/470/470_65.htm
Edstrom, J.P., B. Krueger, and W. Reil. 2001. English walnuts (Juglans regia) production on marginal soil in California. Acta Hort. 544:449-450. https://www.actahort.org/books/544/544_61.htm
Connell, J., J. Edstrom, R. Buchner, R. Duncan, W. Micke, P. Verdegaal, and M. Viveros. 2001. Evaluation of potential rootstocks for California almonds. Acta Hort. 591:45-52. https://www.actahort.org/books/591/591_2.htm
Kester, D. E., R.N. Asay, and T.M. Gradziel. 2002. 'Nickels' Almond × Peach Hybrid Clonal Rootstock. HortScience 37(2), 415-417. https://doi.org/10.21273/HORTSCI.37.2.415
Niederholzer, F.J.A., B. Lampinen, B. Johnson, and S. Cutter. 2018. Conditioning harvested almonds on the orchard floor to reduce drying time of wet almonds. Acta Hort 1219: 243-250. 10.17660/ActaHortic.2018.1219.38
Mayanja, I.K., M.C. Coates, F. Niederholzer, and I. Donis-Gonzáles. 2021. Development of a stockpile heated and ambient air dryer (SHAD) for freshly harvested almonds. Applied Engineering in Agriculture. 37:3, 417-425.
Soils and Orchard Nutrition
Zasoski, R.J., R.D. Meyer, H. Schulbach, and J.P. Edstrom. 1992. Effects of urea applications on bulk and rhizophere soil properties in drip irrigated almonds. Journal of Plant Nutrition 15(6-7): 977-989. https://www.tandfonline.com/doi/abs/10.1080/01904169209364375
Meyer, R.D., J.P. Edstrom, J. Deng, and S. Cutter. 1997. Foliar nutrient (N, P, K, B) application effects on almond yields. Acta Hort 470: 406-411. https://www.actahort.org/books/470/470_56.htm
Meyer, R.D., J.P. Edstrom, and L.J. Schwankl. 1998. Potassium boosts almond yield via irrigation. Fluid Journal. Summer (p.1-3). https://fluidfertilizer.org/
Fulton, A., L. Schwankl, K. Lynn, B. Lampinen, J. Edstrom, and T. Prichard. 2011. Using EM and VERIS technology to assess land suitability for orchard and vineyard development. Irrigation Science 29, 497–512. https://doi.org/10.1007/s00271-010-0253-1
Alsina, M. M., A. C. Fanton-Borges, and D. R. Smart. 2013. Spatiotemporal variation of event related N2O and CH4 emissions during fertigation in a California almond orchard. Ecosphere 4(1):1. http://dx.doi.org/10.1890/ES12-00236.1
B. Holtz, M. Culumber, C. Zuber, G.T. Browne, D.A. Doll, E. Jahanzad, M.A. Yaghmour, F. Niederholzer, P. Gordon, A. Poret-Peterson, S. Gao, A. Gaudin. 2024. Whole almond orchard recycling and the effect on second generation tree growth, yield, and soil fertility. Acta Hort 1406: 40- 45. 10.17660/ActaHortic.2016.1112.42
Pest Management
Barnett, W.W., J.P. Edstrom, R.L. Coviello, and F.P. Zalom. 1993. Insect pathogen “Bt” controls peach twig borer on fruits and almonds. California Agriculture 47 (5): 4-6. californiaagriculture.org/article/110238
Cloonan K, RH Bedoukian RH, and W Leal. 2013. Quasi-Double-Blind Screening of Semiochemicals for Reducing Navel Orangeworm Oviposition on Almonds. PLoS ONE 8(11): e80182. https://doi.org/10.1371/journal.pone.0080182
Siegel, J.P., M.M. Strmiska, F.J.A. Niederholzer, D.K. Giles and S.S. Walse. 2019. Evaluating insecticide coverage in almond and pistachio for control of navel orangeworm (Amyelois transitella) (Lepidoptera: Pyralidae). Pest. Manag. Sci 75(5): 1435-1442. https://scijournals.onlinelibrary.wiley.com/doi/10.1002/ps.5265
Pourezza, A., A. Moghimi, F.J.A. Niederholzer, P.A. Larbi, G. Zuniga-Ramirez, K.H. Chueng and F. Khorsandi. 2020. Spray Backstop: A Method to Reduce Orchard Spray Drift Potential without Limiting the Spray and Air Delivery. Sustainability 12(21): 8862-8875.
Pollination:
Thorp, R, W Stanger, and T Aldrich. 1967. Effects of Artificial Pollination on Yield of Nonpareil Almond Trees. California Agriculture 21 (9): 14–15. https://californiaagriculture.org/article/112729
Nickels History
Murray, M. and J.P. Edstrom. 2009. The Leslie J. Nickels Estate: Challenging the paradigm of funding public research and extension. Acta Hort 832: 153-160. https://www.actahort.org/books/832/832_20.htm